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Finding the Fourth Proportional to 962.00, 1,327.29 and 542.33

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Solution

The fourth proportional to 962.00, 1,327.29 and 542.33 is: 748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.00 : 1,327.29 = 542.33 : x
  2. Step 2: Convert to fraction form
    962.00/1,327.29 = 542.33/x
  3. Step 3: Cross multiply
    962.00x = 1,327.29 × 542.33
  4. Step 4: Simplify right side
    962.00x = 719,822.55
  5. Step 5: Solve for x
    x = 719,822.55/962.00
  6. Step 6: Final answer
    x = 748.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.